Wall Listening Ninja Spy Device (penetrates 20-cm Solid Concrete).
- Built-in Rechargeable Battery (comes With 110v~220v Uab/ac Charger)- Simply Push The Device Facing A Concrete Wall.
Window.
Door.
Etc To Listen To The Sounds On The Other Side- Picks Up Sounds From The Other Side Of Most Solid Objects Up To 20cm Of Thi
SKU: 11763